Testimony of John L. Lewis before the special Subcommittee on Mine Safety of the Committee on Labor and Public Welfare, United States Senate, Washington, D. C.
Subtitle: January 29, 30, 1952, and before the Subcommittee on Mine Safety Legislation of the Committee on Education and Labor, United States House of Representatives, Washington, D. C., February 21, 1952.
Contributors: Lewis, John Llewellyn, 1880-1969.; United States. Congress. House. Committee on Education and Labor.
Publisher: Labor's Non-partisan League
Published: 1952
Place of publication: Washington
Language: eng
Number of pages: 79
Subjects: Coal mines and mining -- Safety measures.; Coal mine accidents.; Coal mines and mining -- United States.